1 Обзор метода
The sample is digested with hydrochloric acid, hydrogen peroxide and nitric acid solution. In dilute hydrochloric acid medium, the absorbance of nickel is measured by air‑acetylene flame at the wavelength of 232.0 nm using an atomic absorption spectrometer.
2. Область применения
This method is applicable for the determination of nickel in zinc alloys.
3 Apparatus and Reagents
3.1 Apparatus and Equipment
3.1.1 Testing Instruments
| Нет, нет. | Имя | Количество | Технические требования | Аксессуары |
|---|---|---|---|---|
| 1 | Спектрофотометр атомного поглощения пламени | 1 набор | — | Nickel hollow‑cathode lamp |
| 2 | Воздушный компрессор | 1 набор | Rated discharge pressure: 0.3 MPa | — |
| 3 | ацетилен | 1 цилиндр | Purity ≥99.99% | — |
